Mathematics is very important to learn, not least by survivors of autism. Autism with behavioral disorders, must be able to optimize themselves so they can live independently and empowered. The learning approach offered by researchers is the Montessori approach. A learning approach that educates students on the environment, an approach to self-directed activities in children, and clinical observations from teachers who function as facilitators or assistants. This research is intended to describe mathematics learning that is packaged in the Montessori approach at SDLB Autism River Kids with the main goal being to make autistic students independent. The research method used in this study is qualitative descriptive. This study will illustrate how the Montessori approach is applied in mathematics learning for autistic students. The results showed that the things that need to be considered in applying the Montessori approach are three period lessons. In addition, the concept of following the child and respect the child is very important to be applied to achieve the goals of student independence.

Keywords : Montessori, Matthematics, Autism.